<template>
    <div>

<!--        <div style="margin-bottom: 30px">-->

<!--        </div>-->


        <div style="padding: 10px 0;float: left">
            <el-input style="width:200px" placeholder="请输入名称.." suffix-icon="el-icon-search" v-model="name"></el-input>
<!--            <el-input style="width:200px" placeholder="请输入地址.." suffix-icon="el-icon-search"class="ml-5" v-model="email"></el-input>-->
            <!--            <el-input style="width:200px" placeholder="请输入邮箱.." suffix-icon="el-icon-search"class="ml-5"></el-input>-->
            <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
            <el-button type="warning" @click="rest">重置</el-button>

        </div>

        <div style="margin: 10px 0 0 10px;float: left">
            <el-button type="primary" @click="handleAdd">新增<i class="el-icon-circle-plus-outline"></i></el-button>
            <el-popconfirm
                    class="ml-5"
                    confirm-button-text='好的'
                    cancel-button-text='不用了'
                    icon="el-icon-info"
                    icon-color="red"
                    title="您确定批量删除吗？"
                    @confirm="delBatch"
            >
                <el-button type="danger" slot="reference">批量删除<i class="el-icon-minus"></i></el-button>
            </el-popconfirm>
            <el-upload
                    action="http://localhost:9911/user/import"
                    :show-file-list="false"
                    :accept="xlsx"
                    :on-success="handleExcelImportSuccess"
                    style="display: inline-block" >
                <el-button type="primary" class="ml-5">导入<i class="el-icon-sort-down"></i></el-button>

            </el-upload>
            <el-button type="primary" @click="exp" class="ml-5">导出<i class="el-icon-sort-up"></i></el-button>

        </div>
        <el-table :data="tableData" border stripe :header-cell-class-name="headerBg" @selection-change="handleSelectionChange">
            <el-table-column
                    type="selection"
                    width="55">
            </el-table-column>
            <el-table-column prop="id" label="id" width="80">
            </el-table-column>
            <el-table-column prop="name" label="用户名">
            </el-table-column>
            <el-table-column prop="description" label="昵称" >
            </el-table-column>
            <el-table-column prop="rolekey" label="唯一标识" >
            </el-table-column>

            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button type="info" @click="selectMenu(scope.row.id)">分配<i class="el-icon-menu"/></el-button>
                    <el-button type="warning" @click="handleEdit(scope.row)">编辑</el-button>

                    <el-popconfirm
                            class="ml-5"
                            confirm-button-text='好的'
                            cancel-button-text='不用了'
                            icon="el-icon-info"
                            icon-color="red"
                            title="您确定删除吗？"
                            @confirm="del(scope.row.id)"
                    >
                        <el-button type="danger" slot="reference">删除</el-button>
                    </el-popconfirm>

                </template>
            </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="currentPage4"
                    :page-sizes="[5, 10, 15, 20]"
                    :page-size="pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total">
            </el-pagination>
        </div>

        <el-dialog title="角色信息" :visible.sync="dialogFormVisible" width="30%">
            <el-form  :model="form" label-width="70px" size="small">
                <el-form-item label="名称" >
                    <el-input v-model="form.name" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="描述" >
                    <el-input v-model="form.description" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="唯一标识" >
                    <el-input v-model="form.rolekey" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save">确 定</el-button>
            </div>
        </el-dialog>

        <el-dialog title="菜单分配" :visible.sync="menuDialogVis" width="30%">
            <el-tree
                    :data="menuData"
                    :props="defaultProps"
                    node-key="id"
                    :default-expanded-keys="expends"
                    :default-checked-keys="checks"
                    ref="tree"
                    show-checkbox
                    @check-change="handleCheckChange">
                    <span class="custom-tree-node" slot-scope="{ node, data }">
                    <span><i :class="data.icon"/>{{ data.name }}</span>
                    </span>
            </el-tree>
            <div slot="footer" class="dialog-footer">
                <el-button @click="menuDialogVis = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleMenu">确 定</el-button>
            </div>
        </el-dialog>
    </div>

</template>

<script>
    export default {
        name: "Role",
        data(){
            return{
                tableData: [],
                total: 0,
                pageNum:1,
                pageSize:5,
                name:"",
                email:"",
                dialogFormVisible:false,
                menuDialogVis:false,
                form: {},
                multipleSelection:[],
                headerBg:'headerBg',
                expends:[],
                checks:[],
                roleId:0,
                menuData:[],
                defaultProps:{
                    label:'name'
                }


            }
        },
        created() {
            // 请求分页查询数据
            this.load()
        },
        methods:{

            load(){
                this.request.get("/role/page",
                    {
                        params:{
                            pageNum:this.pageNum,
                            pageSize:this.pageSize,
                            name:this.name,
                        }
                    })
                    .then(res =>{
                        this.tableData = res.data.records;
                        this.total = res.data.total
                    })



                // fetch("http://localhost:9911/user/page?pageNum="+this.pageNum+"&pageSize="+this.pageSize +"&username="+this.username)
                //         .then(res => res.json()).then(res => {
                //   console.log(res)
                //   this.tableData = res.data
                //   this.total = res.total
                // })
            },

            // 增
            save(){
                this.request.post("/role",this.form).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("保存成功！")
                        this.dialogFormVisible=false
                        this.load()
                    }
                    else
                        this.$message.error("保存失败！")
                })
            },
            // 权限分配
            selectMenu(rowId){
                this.menuDialogVis=true
                this.roleId = rowId
                // 获取菜单数据
                this.request.get("/menu").then(res =>{
                        this.menuData = res.data
                    // 把后台返回的数据处理成id数组
                    this.expends = this.menuData.map(v=>v.id)
                    })
                // 请求已绑定的菜单
                this.request.get("/role/roleMenu/"+rowId).then(res =>{


                    this.checks = res.data
                    this.request.get("/menu/ids/").then(r =>{
                        const ids = r.data
                        ids.forEach(id=>{
                            if (!this.checks.includes(id)){
                                // 设置延迟加载
                                this.$nextTick(()=>{
                                    // 可能会报错
                                    this.$refs.tree.setChecked(id,false)

                                })
                            }
                        })
                    })
                })
            },
            saveRoleMenu(){
                this.request.post("/role/roleMenu/"+this.roleId,this.$refs.tree.getCheckedKeys()).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("保存成功！")
                        this.menuDialogVis=false
                    }
                    else
                        this.$message.error("保存失败！")
                })
            },
            handleAdd(){
                this.dialogFormVisible=true
                this.form={}
            },
            // 改
            handleEdit(row){
                this.form = Object.assign({},row)
                this.dialogFormVisible=true
            },
            // 删
            del(id){
                this.request.delete("/role/"+id).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("删除成功！")
                        this.load()
                    }
                    else
                        this.$message.error("删除失败！")
                })
            },
            handleSelectionChange(val){
                this.multipleSelection=val
            },
            delBatch(){
                let ids = this.multipleSelection.map(v=> v.id)// [{},{},{}] => [1,2,3]
                this.request.post("/role/del/batch",ids).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("删除成功！")
                        this.load()
                    }
                    else
                        this.$message.error("删除失败！")
                })
            },

            handleSizeChange(pageSize){
                this.pageSize = pageSize
                this.load()
            },
            handleCurrentChange(pageNum){
                this.pageNum = pageNum
                this.load()
            },
            rest(){
                this.name=""
                this.load()
            },
            exp(){
                window.open("http://localhost:9911/user/export")
            },
            handleExcelImportSuccess(){
                this.$message.success("导入成功")
                this.load()

            }
        }
    }
</script>

<style>
    .headerBg{
        backgroud:#eee!important;
    }
</style>